http://api.tweetmeme.com/imagebutton.gif?url=http://sports.espn.go.com/nba/news/story?id=6226506&campaign=rss&source=NBAHeadlines (http://api.tweetmeme.com/share?url=http://sports.espn.go.com/nba/news/story?id=6226506&campaign=rss&source=NBAHeadlines&service=bit.ly&source=espn)Utah Jazz center Mehmet Okur is out for the rest of the regular season because of continued issues with his lower back and Achilles' tendon.